2) Guest-Posting: This is the next big thing. It will likely become abused fairly soon. My suggestion is to ride the wave right now, and if you can, try to stick to the bigger/better sites. To find blogs to post on, do some Googling for “your niche + guest blogger”, and variations thereof. There’s sites everywhere, in most niches.
the next big thing for little marketers - http://live-free-in-an-unfree-world.com